<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-values-4/#sign-funcs">
<link rel="help" href="https://drafts.csswg.org/css-values-4/#numbers">
<link rel="help" href="https://drafts.csswg.org/css-values-4/#calc-serialize">
<link rel="author" title="Apple Inc">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../support/serialize-testcommon.js"></script>
<div id=target></div>
<script>
function test_serialization(t,s,c) {
    test_specified_serialization('transform', `scale(${t})`, `scale(calc(${c}))`);
}

test_serialization(
    'abs(1)',
    'calc(1)',
    '1');
test_serialization(
    'sign(.1)',
    'calc(1)',
    '1');

test_serialization(
    'abs(1 + 2 + 3)',
    'calc(6)',
    '6');
test_serialization(
    'sign(1 + 2 + 3)',
    'calc(1)',
    '1');

test_serialization(
    'calc(abs(1) + abs(2))',
    'calc(3)',
    '3');
test_serialization(
    'calc(sign(.1) + sign(.2))',
    'calc(2)',
    '2');

test_serialization(
    'calc(1 + abs(1))',
    'calc(2)',
    '2');
test_serialization(
    'calc(sign(.1) + 1)',
    'calc(2)',
    '2');

test_serialization(
    'calc(abs(inFinity))',
    'calc(inFinity)',
    'infinity');

test_serialization(
    'calc(abs(infinity))',
    'calc(infinity)',
    'infinity');
test_serialization(
    'calc(sign(infinity))',
    'calc(1)',
    '1');
test_serialization(
    'abs(infinity)',
    'calc(infinity)',
    'infinity');

test_serialization(
    'calc(abs(-infinity))',
    'calc(infinity)',
    'infinity');
test_serialization(
    'calc(sign(-1 * infinity))',
    'calc(-1)',
    '-1');

test_serialization(
  'calc(sign(-1 * NaN))',
  'calc(NaN)',
  'NaN');

test_serialization(
  'calc(sign(1 * NaN))',
  'calc(NaN)',
  'NaN');
</script>
